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AMD - Desktop CPUs INTEL - Desktop CPUs
K5
K6
Athlon
Athlon XP
Athlon 64
Athlon 64 X2
Athlon 64 FX
Duron
Sempron
Phenom X3
Phenom X4
808x
80x86
Pentium
Pentium Pro
Pentium II
Pentium III
Pentium 4
Pentium D
Celeron Core 2 Duo
Core 2 Quad

 Core details    Pentium     Pentium   Pentium Pentium    Pentium   Pentium Pentium Pentium MMX
  Development name P5P5 P54C P54C P54CP54CS P54CS P55C
  Construction size (nm) 800800 600 600 600350 350 280
  Transistor count (millions) 3.23.2 3.2 3.2 3.23.3 3.3 4.5
  Number of processor cores11111111
  Registers - ALU (bits) 3232 32 32 3232 32 32
  Registers - FPU (bits) 8080 80 80 8080 80 80 (64 Ext)
  Connection Type Socket 4Socket 4 Socket 5 / 7 Socket 5 / 7 Socket 5 / 7Socket 7 Socket 7 Socket 7
 Model Details
  Name / Core speed (MHz) 6066 75 90 100150 133 166
120 166 200
200 233
 FSB Details
  CLK speed (MHz)6066506066606666
  Data transfer rate (MHz)6066506066606666
  Total bus width (bits)6464646464646464
  Maximum bandwidth (GB/sec)0.480.530.400.480.530.480.530.48
 Cache details
  L1 amount (KiB) 1616 16 16 1616 16 32
  L1 location on-dieon-die on-die on-die on-dieon-die on-die on-die
  L1 instruction cache size (KiB) 88 8 8 88 8 16
  L1 data cache size (KiB) 88 8 8 88 8 16
  L2 amount (KiB) -- - - -- - -
  L2 location externalexternal external external externalexternal external external
  L2 bus width (bits) -- - - -- - -
 Extension support
  MMXNoNoNoNoNoNoNoYes
  3DNow!NoNoNoNoNoNoNoNo
  SSENoNoNoNoNoNoNoNo
  Enhanced 3DNow!NoNoNoNoNoNoNoNo
  3DNow! ProfessionalNoNoNoNoNoNoNoNo
  SSE2NoNoNoNoNoNoNoNo
  SSE3NoNoNoNoNoNoNoNo
  SSSE3NoNoNoNoNoNoNoNo
 Additional Features
  Intel 64 NoNo No No NoNo No No
  AMD64 NoNo No No NoNo No No
  HyperThreading NoNo No No NoNo No No
  Execute Disable Bit NoNo No No NoNo No No
  Virtualization Technology NoNo No No NoNo No No
 
 Core details Pentium MMX              
  Development name Tillamook
  Construction size (nm) 250
  Transistor count (millions) 4.5
  Number of processor cores1
  Registers - ALU (bits) 32
  Registers - FPU (bits) 80 (64 Ext)
  Connection Type Socket 7
 Model Details
  Name / Core speed (MHz) 200
233
266
300
 FSB Details
  CLK speed (MHz)66
  Data transfer rate (MHz)66
  Total bus width (bits)64
  Maximum bandwidth (GB/sec)0.53
 Cache details
  L1 amount (KiB) 32
  L1 location on-die
  L1 instruction cache size (KiB) 16
  L1 data cache size (KiB) 16
  L2 amount (KiB) -
  L2 location external
  L2 bus width (bits) -
 Extension support
  MMXYes
  3DNow!No
  SSENo
  Enhanced 3DNow!No
  3DNow! ProfessionalNo
  SSE2No
  SSE3No
  SSSE3No
 Additional Features
  Intel 64 No
  AMD64 No
  HyperThreading No
  NX Bit No
  Virtualization Technology No
 

 Notes
AMD & Intel CPU Specifications - N D Evanson 2008